CN107052494A - A kind of device and method based on raising material wetability under multi- scenarios method - Google Patents
A kind of device and method based on raising material wetability under multi- scenarios method Download PDFInfo
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- CN107052494A CN107052494A CN201710227058.3A CN201710227058A CN107052494A CN 107052494 A CN107052494 A CN 107052494A CN 201710227058 A CN201710227058 A CN 201710227058A CN 107052494 A CN107052494 A CN 107052494A
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- magnetic field
- power supply
- ultrasonic wave
- drying oven
- sample
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/14—Arrangements of heating devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
A kind of device and method based on raising material wetability under multi- scenarios method, including operating platform, place vacuum drying oven on the operational platform, high voltage power supply control cabinet, ultrasonic wave added device, electric field-assisted device and magnetic field servicing unit, guide rail upright columns are provided with the stand of vacuum drying oven side, its upper end is provided with movable beam, ultrasonic transducer is fixed on crossbeam, ultrasonic wave becomes depression bar and put in through bellows in vacuum drying oven, electric field-assisted device is located at ultrasonic wave and become under depression bar, sample is placed in insulated ceramic plates and positioned by block, magnetic field power supply coil is additionally provided with the inside of vacuum drying oven, variable magnetic field is produced after applying electric current.The present invention can be such that sample is soaked under ultrasonic activation load, electric field, the common auxiliary in magnetic field, solve that existing additional auxiliary equipment applying mode is single, ultrasonic wave applying mode has that power loss is big, single auxiliary energy improves the effect of sample wetability not.
Description
Technical field
The present invention relates to a kind of material damping device, belong to material properties test technical field, relate generally to one kind and be based on
The device and method of material wetability is improved under multi- scenarios method.
Background technology
Wetability is not only the key factor for evaluating solder joint quality, is also the key that composite material interface combines evaluation
Index.Good wetability is to obtain the premise with high reliability solder joint, and the wetability that tradition improves solder is mainly
By the method for additional brazing flux, the oxide-film of material surface is removed using the chemical reaction of brazing flux, so as to reach reduction material list
The purpose of face tension force, but brazing flux has corrosivity, weldment under arms during the performance of plumb joint can be greatly lowered；
In terms of composite, such as enhancing is added in matrix, it is necessary to assure enhancing can mutually be soaked with matrix, for composite wood
Alloying element is mainly used to react to form interfacial reaction thing and improve the wetability of material in solid liquid interface for material.
In addition additional auxiliary energy can also be used to improve the wetability of material, mainly has super using more at present
Sound wave and electrostatic field, have researcher in nano Ce O2The high-energy ultrasonic of p/Zn-4.5%Al-RE-Mg-Ti composites is sent out in preparing
Existing, high-energy ultrasonic effect can improve the wetability at interface, make nano Ce O2Particle can be entered in ZA melts, because
" acoustic cavitation " effect and " sound vortex " effect can be produced under ultrasonic activation auxiliary, can be carried with the oxide-film on break down solids surface
High liquid metal wetability；There are some researches show during solder wetting under electrostatic field, the diffusion of Cu atoms can make solder
Spreading area improve 20%, angle of wetting reduce 20.4% because electric field can by reduce the diffusion activation energy between element,
The mechanism such as the solid solution between the room diffusion at promotion interface and element, promote the diffusion between each element of interface, interface and tie
The formation of layer is closed, interfacial tension is reduced, interface attachment work(is enhanced, so as to improve wetability；Also someone have studied solidification
The research of the dynamic control of process centre field convection current, it is found that rotating excitation field effect can significantly improve the wetability of alloy, and can eliminate
Gross segregation, cataclasm and refinement dendrite；And improving material surface wetability for externally-applied magnetic field also has certain report, there is research
It was found that richness Zn liquid phases are in Fe-6.5wt%Si twin crystal crystal boundaries under strong magnetic field action（36.9°With 45°Crystal boundary）With solid/liquid interfaces phase
Crystal boundary wetting behavior feature at friendship is as follows：Angle of wetting significantly reduces, and wetability is significantly improved.
Above method can improve material wetability, but only individually apply ultrasonic assistant, electrostatic field auxiliary or magnetic
Auxiliary, is all only capable of in limited range improving wetability, by ultrasonic vibration-electric field-magnetic field collective effect to improving wetting
Property research or application have not been reported.Ultrasonic vibratory loading, high pressure can be applied simultaneously it is an object of the invention to provide one kind quiet
The device and method of the raising material wetability of electric field and variable magnetic field, available for research in ultrasonic vibratory loading-electric field-magnetic
Wettability test under the compound field action in field, helps to work out new technology, the new technology for improving material wetability, to seeking and sending out
The technology of preparing of exhibition material is all of great significance.
The content of the invention
In order to solve the above technical problems, the present invention is to provide a kind of based on the dress that material wetability is improved under multi- scenarios method
Put and method, it is big, single to solve that existing additional auxiliary equipment applying mode is single, ultrasonic wave applying mode has power loss
Auxiliary energy improves the problems such as effect of sample wetability is not obvious.
The technical solution adopted in the present invention is：It is a kind of based under multi- scenarios method improve material wetability device and side
Method, comprises the following steps：
Step one：Burr is removed into the surface for needing compound Sample A, sample B with sand paper or equipment for grinding respectively, light of polishing
It is clean, then Sample A, B are put into supersonic wave cleaning machine, plus alcohol or acetone are cleaned, wash number is 3 ~ 5 times, every time
Scavenging period be 15 ~ 20min, cleaning finish remove specimen surface greasy dirt and oxide impurity after, taking-up dry it is rear standby, together
When by solder C be made thickness be 0.05 ~ 1mm thin slice, it is standby；
Step 2：Vacuum furnace door is opened, Sample A and sample B are overlayed on the copper coin between upper and lower battery lead plate, and in examination
1 or multi-disc solder C is placed between sample A and sample B, copper coin is then adjusted to correct position with block and insulation profit is fixed on
On moist workbench, sliding beam makes it be moved in guide rail upright columns, and adjustment crossbeam position is until ultrasonic vibrator and sample
It is in contact；
Step 3：Vacuum furnace door is closed, and vacuumize process is carried out to vacuum drying oven, treats that vacuum reaches 8 × 10-3~10×10-3After Pa, the power supply of heater is opened, vacuum drying oven is warming up to required brazing temperature with 10 ~ 15 DEG C/min speed；
Step 4：Open ultrasonic wave added device, electric field-assisted device, the power supply of magnetic field servicing unit, and set supersonic frequency as
20 ~ 40kHz, power are 0 ~ 1kW, and electric-field intensity is 2 ~ 2.5kV/cm, and magnetic field intensity is 0 ~ 1T, and ultrasonic wave added action time reaches
The power supply of ultrasonic wave added device is closed during 40 ~ 45s, electric field-assisted action time closes electric field-assisted device when reaching 60 ~ 65s
Power supply, the magnetic field booster action time closes the power supply of magnetic field servicing unit when reaching 240 ~ 250s；
Step 5：Vavuum pump valve is closed, and with discharging rod by the electric charge inside electric pole plate, bottom electrode plate and high voltage power supply
Release is complete, then vacuum drying oven is down into room temperature with 5 ~ 6 DEG C/min speed, then opens fire door, rises ultrasonic wave and becomes depression bar, takes
Go out sample.
A kind of device based on raising material wetability under multi- scenarios method, including operating platform, placement are on the operational platform
Vacuum drying oven, the high voltage power supply control cabinet positioned at operating platform side and to sample apply auxiliary energy ultrasonic wave added device,
Electric field-assisted device, magnetic field servicing unit, described vacuum drying oven are provided with thermocouple interface, and thermocouple is stretched into from thermocouple interface
In vacuum drying oven；
Described ultrasonic wave added device includes guide rail upright columns and is fixed on the horizontal stroke that can be slided in guide rail upright columns and in guide rail upright columns
Beam, one end away from guide rail upright columns is connected with ultrasonic generator on crossbeam, and the ultrasonic generator includes realizing
The ultrasonic transducer of mechanical energy is converted to, high-power high-frequency alternating current is provided and drives ultrasonic transducer to work from acoustic energy
Supersonic generator, by the particle displacement of mechanical oscillation or speed amplification and ultrasonic energy is concentrated on compared with super in small area
Sound wave becomes depression bar and the ultrasonic vibrator for becoming ultrasonic wave in the energy transmission to sample on depression bar, and the ultrasonic wave becomes depression bar
One end be connected with ultrasonic transducer, the other end is connected with the ultrasonic vibrator put in vacuum drying oven；
Described electric field-assisted device is located in vacuum drying oven and below ultrasonic vibrator, including electric field power supply, along level
It is additionally provided with and vacuum drying oven on electric pole plate and bottom electrode plate that direction parallel interval is set, described electric pole plate and bottom electrode plate
It is arranged with what is insulated with vacuum drying oven furnace wall outside the contact conductor of outside high voltage power supply control cabinet connection, described contact conductor
Porcelain bushing, described electric pole plate is supported on insulated platform by insulating ceramics pillar, the lower section of described bottom electrode plate
The insulated ceramic plates on insulated platform are provided with, top is provided with the insulation wetability workbench for placing sample, institute
The table top for the insulation wetability workbench stated is provided with the copper coin for the solder for being used to place wetting and for fixed copper Board position
Block；
Described magnetic field servicing unit is arranged in vacuum drying oven, including magnetic field power supply coil and magnetic field power supply, described magnetic field electricity
Source coil is two, is respectively provided at the both sides of electric field-assisted device by support, and described magnetic field power supply is by wire to magnetic field
Power coil exports alternating current, and produces variable magnetic field.
Preferably, described ultrasonic generator also includes the ultrasonic wave amplitude transformer being made up of titanium alloy, institute
Ultrasonic wave amplitude transformer and ultrasonic transducer the formation assembly stated are threadedly secured to ultrasonic wave and become on depression bar.
Preferably, it is connected with one section by high-temp glue in one end of described ultrasonic wave change depression bar sensing vacuum drying oven
Insulating ceramics post, described insulating ceramics post is fixed on vacuum drying oven furnace chamber by metal bellows and flange.
Preferably, one end of described ultrasonic vibration is connected by screw thread with insulating ceramics post, the other end and
Ultrasound load is transmitted after sample contacts.
Preferably, the frequency and power of described supersonic generator are adjustable, and power is 0~1000W,
Vibration frequency is 20~40kHz.
Preferably, the spacing of described electric pole plate and bottom crown is 5~7mm, and the voltage of electric field power supply is
10kv~15kv.
Preferably, described electric pole plate and bottom electrode plate are to carry binding post by what 304 stainless steels were made
Circular flat board, described insulation wetability workbench, insulated ceramic plates and insulated platform be made up of silicon nitride ceramics
Circular slab, described insulating ceramics pillar is made up of silicon nitride ceramics.
Preferably, the number of turn of the magnetic field power supply coil is 1000~1500 circles, the output voltage of magnetic field power supply
Scope be 0~1500V, magnetic field intensity be 0~1T.
Preferably, described electric field power supply can provide positive direct-current high pressure, negative dc high voltage, ac high-voltage and arteries and veins
Leap high pressure, it is defeated with positive direct-current high-voltage output end, negative dc high voltage output end, ac high-voltage output end, positive direct-current high voltage pulse
Go out end and earth terminal.
The beneficial effects of the invention are as follows：
One, the present invention are first using the wetability that material is improved under being aided at many, while applicant is had found by studying：It is super
There is certain matching relationship between sound auxiliary, electric field-assisted and magnetic field auxiliary three, that is to say, that different additional strengths
It is also different to coordinate the effect that different action times play, and is especially when being set to supersonic frequency for 24 ~ 25kHz, power
0.8 ~ 1kW, action time are 43 ~ 45s, electric-field intensity be 2.3 ~ 2.5kV/cm, action time be 58 ~ 60s, magnetic field intensity is
0.6 ~ 0.8T, action time are optimal when being 240 ~ 245s；
This programme makes sample be soaked under ultrasonic activation load, electric field, the common auxiliary in magnetic field, overcomes existing process
The defect of wetability difference, had both met in soldering tech research and had used less, even without the requirement of brazing flux, and can be used for research different again
Bonding recombination process of the material under many field actions, labor is as follows：Such as in brazing process, wherein ultrasonic wave is used as one kind
The carrier of energy, can make the liquid solder for spreading over mother metal surface produce cavitation under ul-trasonic irradiation, cavitation bubble is quick-fried
The raw partial high pressure of bankruptcy destroys the oxide-film on solder surface, liquid solder is directly contacted with mother metal, forms wetting and combines,
Ultrasonic wave can crush larger dendrite simultaneously, change column crystal orientation equiax crystal, so as to refine the crystal grain of land, change
Kind joint microstructure simultaneously improves joint performance；And electric field by reducing element between diffusion activation energy, promote interface room expand
The solid solution mechanism between element is dissipated, diffusion, the formation of bonding interface layer between each element of interface is promoted, reduces boundary
Face tension force, enhances interface attachment work(；The hard magnetization effect that high-intensity magnetic field has simultaneously can be applied to the atom and molecule of material
Yardstick, inside the energy transmission of high intensity to material, changes physics, the chemical state of atom, influences arrangement, the matching of atom
With migration etc. behavior, the Grain Boundary Segregation of alloy can be efficiently controlled and improve crystal boundary fragility, improve material cooling uniformity, reduce
Grain boundary width between mother metal and solder, improves the adhesion between crystal boundary；Therefore while ultrasound, electric field, the three kinds of fields in magnetic field
Under effect, the oxide-film on solder surface is destroyed first, allows solder and mother metal directly in conjunction with then promoting combination interface
Locate diffusion, the formation of bonding interface layer between each element, interfacial tension is reduced, while having refined mother metal, solder junction
Fineness of grain, rearrangement is entered to crystal boundary, so as to improve the wetability of solder and the adhesion with mother metal, makes soldering
Weld seam is more uniform, achieves the effect not reached using only single places such as ultrasound, electric field or magnetic fields, improves conventional brazing
Problems present in technique；
Secondly, it is of the present invention it is a kind of based under multi- scenarios method improve material wetability device, overcome existing external enwergy auxiliary
The problem of device supplementary mode is single, operating temperature is not high, device insulating properties are not good is helped, ultrasonic applying mode power is compensate for
Excessive, the electric field species of loss and polarity are single, external enwergy auxiliary coupling can not be studied brazing process influence, application
It is narrow to wait deficiency be from room temperature to 1000 DEG C, electric-field intensity 0-5kV/cm, ultrasonic power there is provided heating temperature range
Reachable 1000W, magnetic field intensity scope are between 0-1T, vacuum is up to 1 × 10-3Pa device；Not only can be with using the present apparatus
The research of sample wetability under single field, such as electric field, ultrasound or magnetic fields is carried out, a variety of auxiliary fields can be also carried out, such as ultrasonic-
The research of sample wetability, makes additional auxiliary field feelings under electric field, ultrasound-magnetic field, electric field-magnetic field, ultrasound-electric field-magnetic fields
The wetting Journal of Sex Research of sample further improves under condition, helps to work out new technology, the new work for improving material wetability
Skill, is all of great significance to the technology of preparing for seeking and developing material.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute inappropriate limitation of the present invention.
The use state figure based on the device that material wetability is improved under multi- scenarios method that Fig. 1 is；
Fig. 2 is the structural representation of ultrasonic wave added device；
Fig. 3 is the structural representation of electric field-assisted device；
Fig. 4 is the structural representation of magnetic field servicing unit；
Reference：1st, experiment porch, 2, vacuum drying oven, 3, insulated platform, 4, insulated ceramic plates, 5, bottom electrode plate, 6, insulation profit
Moist workbench, 7, copper coin, 8, magnetic field power supply coil, 9, ultrasonic wave become depression bar, 10, ultrasonic transducer, 11, crossbeam, 12, lead
Rail column, 13, block, 14, electric pole plate, 15, insulating ceramics pillar, 16, thermocouple, 17, vacuum pipe, 18, contact conductor,
19th, high voltage power supply control cabinet.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the present invention accompanying drawing,
Technical scheme is clearly and completely described embodiment.The solution of the present invention is described in detail with reference to specific embodiment：
It is of the present invention a kind of based on the device and method that material wetability is improved under multi- scenarios method, comprise the following steps：
Step one：Burr is removed into the surface for needing compound Sample A, sample B with sand paper or equipment for grinding respectively, light of polishing
It is clean, then Sample A, B are put into supersonic wave cleaning machine, plus alcohol or acetone are cleaned, wash number is 3 ~ 5 times, every time
Scavenging period be 15 ~ 20min, cleaning finish remove specimen surface greasy dirt and oxide impurity after, taking-up dry it is rear standby, together
When by solder C be made thickness be 0.05 ~ 1mm thin slice, it is standby；
Step 2：Vacuum furnace door is opened, Sample A and sample B are overlayed on the copper coin between upper and lower battery lead plate, and in examination
1 or multi-disc solder C is placed between sample A and sample B, copper coin is then adjusted to correct position with block and insulation profit is fixed on
On moist workbench, sliding beam makes it be moved in guide rail upright columns, and adjustment crossbeam position is until ultrasonic vibrator and sample
It is in contact；
Step 3：Vacuum furnace door is closed, and vacuumize process is carried out to vacuum drying oven, treats that vacuum reaches 8 × 10-3~10×10-3After Pa, the power supply of heater is opened, vacuum drying oven is warming up to required brazing temperature with 10 ~ 15 DEG C/min speed；
Step 4：Open ultrasonic wave added device, electric field-assisted device, the power supply of magnetic field servicing unit, and set supersonic frequency as
20 ~ 40kHz, power are 0 ~ 1kW, and electric-field intensity is 2 ~ 2.5kV/cm, and magnetic field intensity is 0 ~ 1T, and ultrasonic wave added action time reaches
The power supply of ultrasonic wave added device is closed during 40 ~ 45s, electric field-assisted action time closes electric field-assisted device when reaching 60 ~ 65s
Power supply, the magnetic field booster action time closes the power supply of magnetic field servicing unit when reaching 240 ~ 250s；
Step 5：Vavuum pump valve is closed, and with discharging rod by the electric charge inside electric pole plate, bottom electrode plate and high voltage power supply
Release is complete, then vacuum drying oven is down into room temperature with 5 ~ 6 DEG C/min speed, then opens fire door, rises ultrasonic wave and becomes depression bar, takes
Go out sample.
The present invention it is a kind of based under multi- scenarios method improve material wetability device and method in, wherein in step 4,
A kind of single field can also be carried out（Electric field, ultrasound or magnetic field）Sample wetting Journal of Sex Research under effect, such as only opens ultrasonic wave added
The power supply of device, and it is 0 ~ 1kW to set supersonic frequency as 20 ~ 40kHz, power, treats that ultrasonic wave added action time reaches 40 ~ 45s
When close ultrasonic wave added device power supply；Such as only power supply of threshold electric field servicing unit, and set electric-field intensity as 2 ~ 2.5kV/
Cm, closes the power supply of electric field-assisted device when electric field-assisted action time 60 ~ 65s is reached；As only opened magnetic field servicing unit
Power supply, and set magnetic field intensity as 0 ~ 1T, magnetic field servicing unit closed when the magnetic field booster action time 240 ~ 250s is reached
Power supply.
The present invention's is a kind of based in the method that material wetability is improved under multi- scenarios method, wherein in step 4, can also enter
Two kinds of auxiliary fields of row（Ultrasound-electric field, ultrasound-magnetic field, electric field-magnetic field）Sample wetting Journal of Sex Research under effect, such as opens ultrasound
The power supply of servicing unit, electric field-assisted device, and it is 0 ~ 1kW to set supersonic frequency as 20 ~ 40kHz, power, electric-field intensity is 2 ~
2.5kV/cm, ultrasonic wave added action time closes the power supply of ultrasonic wave added device, electric field-assisted action time when reaching 40 ~ 45s
The power supply of electric field-assisted device is closed when reaching 60 ~ 65s；Ultrasonic wave added device, the power supply of magnetic field servicing unit are such as opened, and is set
It is that 20 ~ 40kHz, power are 0 ~ 1kW to determine supersonic frequency, and magnetic field intensity is 0 ~ 1T, when ultrasonic wave added action time reaches 40 ~ 45s
The power supply of ultrasonic wave added device is closed, the magnetic field booster action time closes the power supply of magnetic field servicing unit when reaching 240 ~ 250s；
Such as threshold electric field servicing unit, the power supply of magnetic field servicing unit, and set electric-field intensity as 2 ~ 2.5kV/cm, magnetic field intensity for 0 ~
1T, electric field-assisted action time closes the power supply of electric field-assisted device when reaching 60 ~ 65s, the magnetic field booster action time reaches 240
The power supply of magnetic field servicing unit is closed during ~ 250s.
As illustrated, a kind of device and method based on raising material wetability under multi- scenarios method, including operating platform 1,
Place vacuum drying oven 2 on the operational platform, the high voltage power supply control cabinet 19 positioned at operating platform side and sample is applied and aid in
Thermoelectricity is respectively equipped with ultrasonic wave added device, electric field-assisted device, the magnetic field servicing unit of energy, described vacuum drying oven 2 to couple
Mouthful and vacuum meter interface, thermocouple 16 stretched into vacuum drying oven 2 from described thermocouple interface, and vacuum pipe 17 is by vacuum meter interface
Connected with vacuum drying oven 2；
Described ultrasonic wave added device includes guide rail upright columns 12 and is fixed in guide rail upright columns and can be slided in guide rail upright columns
Crossbeam 11, one end away from guide rail upright columns is connected with ultrasonic generator on crossbeam, and the ultrasonic generator includes
Realize and be converted to the ultrasonic transducer 10 of mechanical energy from acoustic energy, high-power high-frequency alternating current is provided and drives ultrasonic wave transducer
Supersonic generator, be made up of the titanium alloy and ultrasonic wave cumulative that assembly is formed with ultrasonic transducer 10 of device work
Device, by the particle displacement of mechanical oscillation or speed amplification and ultrasonic energy concentrate on compared with small area ultrasonic wave become depression bar 9
With the ultrasonic vibrator for becoming ultrasonic wave in the energy transmission to sample on depression bar, one end that ultrasonic wave becomes depression bar 9 passes through spiral shell
Line is connected with ultrasonic transducer 10, and the other end is connected with one section of insulating ceramics post by high-temp glue, and insulating ceramics post passes through gold
Category bellows and flange are fixed on the furnace chamber of vacuum drying oven 2, and are threadedly coupled with the ultrasonic vibrator put in vacuum drying oven, are surpassed
The frequency and power of sonic generator are adjustable, and power is 0~1000W, and vibration frequency is 20~40kHz, ultrasonic vibration
Son after sample contacts with that can transmit ultrasonic load；
Described electric field-assisted device is located in vacuum drying oven and below ultrasonic vibrator, including electric field power supply, along level
Electric pole plate 14 and bottom electrode plate 5 that direction parallel interval is set, the voltage of electric field power supply is 10kv~15kv, and electric field power supply can
It is high with positive direct-current high-voltage output end, negative direct current to provide positive direct-current high pressure, negative dc high voltage, ac high-voltage and high voltage pulse
Press output end, ac high-voltage output end, positive direct-current high voltage pulse output end and earth terminal, electric pole plate 14 and bottom electrode plate 5
It is the circular flat board with binding post being made up of 304 stainless steels, the spacing between upper/lower electrode is 5~7mm, and described is upper
The contact conductor 18 being connected with the high voltage power supply control cabinet 19 outside vacuum drying oven 2, institute are additionally provided with battery lead plate 14 and bottom electrode plate 5
The outside of contact conductor 18 stated is arranged with the porcelain bushing insulated with vacuum drying oven furnace wall, and described electric pole plate 14 is by by nitrogenizing
The insulating ceramics pillar 15 that silicon ceramics are made is supported on the round insulation platform 3 being made up of silicon nitride ceramics, described lower electricity
The lower section of pole plate 5 is provided with the round insulation ceramic wafer 4 being made up of silicon nitride ceramics on insulated platform 3, and top is set
There are round insulation wetability workbench 6 being made up of silicon nitride ceramics, for placing sample, described insulation wetting sex work
The table top of platform 6 is provided with the copper coin 7 for the solder for being used to place wetting and the block 13 for fixed copper Board position；
Magnetic field servicing unit is arranged in vacuum drying oven, including magnetic field power supply coil 8 and magnetic field power supply, the output voltage of magnetic field power supply
Scope be 0~1500V, magnetic field intensity be 0~1T, magnetic field power supply coil 8 be two, the number of turn be 1000~1500 circles, pass through
Support is respectively provided at the both sides of electric field-assisted device, and magnetic field power supply exports alternating current by wire to magnetic field power supply coil 8, and produces
Raw variable magnetic field.
In other embodiments of the invention, the spacing between electric pole plate and bottom electrode plate can be 4 ~ 8cm.
In other embodiments of the invention, can also be using other thermals source, such as high-frequency induction heating in vacuum drying oven.
In other embodiments of the invention, electric-field intensity can also be 0 ~ 5kV/cm.
In other embodiments of the invention, insulating ceramics pillar can also be made of quartz glass or aluminium oxide ceramics,
Insulation wetability workbench and exhausted ceramic wafer and insulated platform can also be made of aluminium oxide ceramics.
In other embodiments of the invention, electric field power supply is also an option that other voltage ranges and electric field power supply are each
The different connections of output end and corresponding electric pole plate and bottom electrode plate, such as electric pole plate, bottom electrode plate connects negative direct current respectively
High-voltage output end, positive direct-current high-voltage output end, output voltage range are 0 ~ 20kV；Or electric pole plate, bottom electrode plate connect respectively
Positive direct-current high-voltage output end, negative dc high voltage output end, output voltage are 0 ~ 20kV；Or electric pole plate, bottom electrode plate difference
Positive direct-current high voltage pulse output end, negative dc high voltage output end are connect, output voltage is 0 ~ 20kV；Or electric pole plate, bottom electrode
Plate connects negative dc high voltage output end, positive direct-current high voltage pulse output end respectively, and output voltage is 0 ~ 20kV；Or electric pole plate,
Bottom electrode plate connects earth terminal, negative dc high voltage output end respectively, and output voltage is 0 ~ 10kV；Or electric pole plate, bottom electrode plate
Earth terminal, ac high-voltage output end are connect respectively, and output voltage is 0 ~ 10kV；Or electric pole plate, bottom electrode plate are grounded respectively
End, positive direct-current high-voltage output end, output voltage range are 0 ~ 10kV；Or electric pole plate, bottom electrode plate connect earth terminal, just respectively
DC pulse high-voltage output end, output voltage is 0 ~ 10kV；Or electric pole plate, bottom electrode plate connect positive direct-current High voltage output respectively
End, earth terminal, output voltage are 0 ~ 10kV；Or electric pole plate, bottom electrode plate connect ac high-voltage output end, earth terminal respectively,
Output voltage is 0 ~ 10kV；Or electric pole plate, bottom electrode plate connect positive direct-current high voltage pulse output end, earth terminal respectively, output
Voltage is 0 ~ 10kV.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent is defined.
Claims (10)
1. it is a kind of based on the method that material wetability is improved under multi- scenarios method, it is characterised in that to comprise the following steps：
Step one：Burr is removed into the surface for needing compound Sample A, sample B with sand paper or equipment for grinding respectively, light of polishing
It is clean, then Sample A, B are put into supersonic wave cleaning machine, plus alcohol or acetone are cleaned, wash number is 3 ~ 5 times, every time
Scavenging period be 15 ~ 20min, cleaning finish remove specimen surface greasy dirt and oxide impurity after, taking-up dry it is standby, simultaneously
The thin slice that thickness is 0.05 ~ 1mm is made in solder C, it is standby；
Step 2：Vacuum furnace door is opened, Sample A and sample B are overlayed on the copper coin between upper and lower battery lead plate, and in examination
1 or multi-disc solder C is placed between sample A and sample B, copper coin is then adjusted to correct position with block and insulation profit is fixed on
On moist workbench, sliding beam makes it be moved in guide rail upright columns, and adjustment crossbeam position is until ultrasonic vibrator and sample
It is in contact；
Step 3：Vacuum furnace door is closed, and vacuumize process is carried out to vacuum drying oven, treats that vacuum reaches 8 × 10-3~10×10- 3After Pa, the power supply of heater is opened, vacuum drying oven is warming up to required brazing temperature with 10 ~ 15 DEG C/min speed；
Step 4：Open ultrasonic wave added device, electric field-assisted device, the power supply of magnetic field servicing unit, and set supersonic frequency as
20 ~ 40kHz, power are 0 ~ 1kW, and electric-field intensity is 2 ~ 2.5kV/cm, and magnetic field intensity is 0 ~ 1T, treats that ultrasonic wave added action time reaches
To the power supply that ultrasonic wave added device is closed during 40 ~ 45s, electric field-assisted action time closes electric field-assisted device when reaching 60 ~ 65s
Power supply, the power supply of magnetic field servicing unit is closed when the magnetic field booster action time reaches 240 ~ 250s；
Step 5：Vavuum pump valve is closed, and with discharging rod by the electric charge inside electric pole plate, bottom electrode plate and high voltage power supply
Release is complete, then vacuum drying oven is down into room temperature with 5 ~ 6 DEG C/min speed, then opens fire door, rises ultrasonic wave and becomes depression bar, takes
Go out sample.
2. it is a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that including operating platform（1）, place
Vacuum drying oven on the operational platform（2）, high voltage power supply control cabinet positioned at operating platform side（19）Aided in applying to sample
Ultrasonic wave added device, electric field-assisted device, the magnetic field servicing unit of energy, described vacuum drying oven（2）Thermocouple interface is provided with,
Thermocouple（16）Vacuum drying oven is stretched into from thermocouple interface（2）It is interior；
Described ultrasonic wave added device includes guide rail upright columns（12）Be fixed in guide rail upright columns and can be slided in guide rail upright columns
Crossbeam（11）, one end away from guide rail upright columns is connected with ultrasonic generator, the ultrasonic generator on crossbeam
The ultrasonic transducer of mechanical energy is converted to from acoustic energy including realizing（10）, high-power high-frequency alternating current is provided and ultrasound is driven
Wave transducer work supersonic generator, by the particle displacement of mechanical oscillation or speed amplification and ultrasonic energy concentrate on compared with
Ultrasonic wave in small area becomes depression bar（9）With by ultrasonic wave become depression bar on energy transmission to sample on ultrasonic vibrator,
The ultrasonic wave becomes depression bar（9）One end and ultrasonic transducer（10）Connection, the other end and the ultrasonic wave put in vacuum drying oven
Ticker is connected；
Described electric field-assisted device is located in vacuum drying oven and below ultrasonic vibrator, including additional power source, along level
The electric pole plate that direction parallel interval is set（14）With bottom electrode plate（5）, described electric pole plate（14）With bottom electrode plate（5）On
It is additionally provided with and vacuum drying oven（2）Outside high voltage power supply control cabinet（19）The contact conductor of connection（18）, described contact conductor
（18）Outside is arranged with the porcelain bushing insulated with vacuum drying oven furnace wall, described electric pole plate（14）Pass through insulating ceramics pillar
（15）It is supported on insulated platform（3）On, described bottom electrode plate（5）Lower section be provided with positioned at insulated platform（3）On insulation
Ceramic wafer（4）, top is provided with the insulation wetability workbench for placing sample（6）, described insulation wetability workbench
（6）Table top be provided be used for place wetting solder copper coin（7）With the block for fixed copper Board position（13）；
Described magnetic field servicing unit is arranged in vacuum drying oven, including magnetic field power supply coil（8）And magnetic field power supply, described magnetic field
Power coil（8）For two, the both sides of electric field-assisted device are respectively provided at by support, described magnetic field power supply is given by wire
Magnetic field power supply coil（8）Alternating current is exported, and produces variable magnetic field.
3. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that institute
The ultrasonic generator stated also includes the ultrasonic wave amplitude transformer being made up of titanium alloy, described ultrasonic wave amplitude transformer and ultrasonic wave
Transducer（10）Form assembly and be threadedly secured to ultrasonic wave change depression bar（9）On.
4. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that
Described ultrasonic wave becomes depression bar（9）The one end for pointing to vacuum drying oven is connected with one section of insulating ceramics post by high-temp glue, and described is exhausted
Edge ceramics pole is fixed on vacuum drying oven by metal bellows and flange（2）On furnace chamber.
5. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that institute
The one end for ultrasonic vibration stated is connected by screw thread with insulating ceramics post, and the other end is with transmitting ultrasound load after sample contacts.
6. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that institute
The frequency and power for the supersonic generator stated are adjustable, and power is 0~1000W, and vibration frequency is 20~40kHz.
7. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that institute
The electric pole plate and the spacing of bottom crown stated are 5~7mm, and the voltage of additional power source is 10kv~15kv.
8. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that institute
The electric pole plate stated（14）With bottom electrode plate（5）It is the circular flat board with binding post being made up of 304 stainless steels, it is described
Insulate wetability workbench（6）, insulated ceramic plates（4）And insulated platform（3）It is the circular slab being made up of silicon nitride ceramics, institute
The insulating ceramics pillar stated（15）It is made up of silicon nitride ceramics.
9. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that institute
State magnetic field power supply coil（8）The number of turn be 1000~1500 circles, the scope of the output voltage of magnetic field power supply is 0~1500V, magnetic field
Intensity is 0~1T.
10. it is according to claim 2 a kind of based on the device that material wetability is improved under multi- scenarios method, it is characterised in that
Described electric field power supply can provide positive direct-current high pressure, negative dc high voltage, ac high-voltage and high voltage pulse, with positive direct-current high pressure
Output end, negative dc high voltage output end, ac high-voltage output end, positive direct-current high voltage pulse output end and earth terminal.
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